Move SOFT_SERIAL_PIN to data driven (#19863)

keyboards/recompile_keys/choco60/rev1/config.h

@@ -33,8 +33,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* COL2ROW, ROW2COL*/
 #define DIODE_DIRECTION COL2ROW
 
-/*
- * Split Keyboard specific options, make sure you have 'SPLIT_KEYBOARD = yes' in your rules.mk, and define SOFT_SERIAL_PIN.
- */
-#define SOFT_SERIAL_PIN D3 // or D1, D2, D3, E6
 #define SPLIT_HAND_PIN D0

keyboards/recompile_keys/choco60/rev1/info.json

@@ -1,4 +1,7 @@
 {
+    "split": {
+        "soft_serial_pin": "D3"
+    },
     "processor": "atmega32u4",
     "bootloader": "caterina"
 }